Knochenanker

Details

Veröffentlichungs-Nr.

EP4223240

Aktenzeichen

EP22155488

Anmeldetag

7. Februar 2022

Veröffentlichung

29. Januar 2025

Erteilung

29. Januar 2025

Rechtsraum

EP

IPC

A61B17/70A61B17/86F16B7/04F16B25/00F16B33/02

Abstract

A bone anchor is provided comprisinga shank (2) configured to be anchored in bone, the shank (2) comprisinga first end (2a) configured to be inserted first and an opposite second end (2b) and a longitudinal axis (S) extending through the first end and the second end,a core (10) anda thread (20) configured to engage bone, the thread (20) comprising a number of turns of a helix around the core (10), the number of turns defining an axial length of the thread, wherein the thread (20) comprises a lower flank facing (20a) towards the first end (2a) and an upper flank (20b) facing towards the second end (2b), the upper flank and the lower flank defining a thread shape;wherein an additional thread structure (21) with a modified thread shape is provided on a portion (s2) of the core that is smaller than the axial length of the thread, the additional thread structure (21) comprising a recess (22) that is at least partially helix-shaped.

Anmelder

Firma

Biedermann Technologies GmbH & Co. KG

Land

🇩🇪 Deutschland

Fachgebiete